20000111229 has 12 divisors (see below), whose sum is σ = 33016056736. Its totient is φ = 11428634952.

The previous prime is 20000111221. The next prime is 20000111237. The reversal of 20000111229 is 92211100002.

It is an interprime number because it is at equal distance from previous prime (20000111221) and next prime (20000111237).

It is not a de Polignac number, because 20000111229 - 2³ = 20000111221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000111221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158730979 + ... + 158731104.

Almost surely, 2^20000111229 is an apocalyptic number.

It is an amenable number.

20000111229 is a deficient number, since it is larger than the sum of its proper divisors (13015945507).

20000111229 is a wasteful number, since it uses less digits than its factorization.

20000111229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317462096 (or 317462093 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 20000111229 in words is "twenty billion, one hundred eleven thousand, two hundred twenty-nine".